Title:
COMPOSITE SEMIPERMEABLE MEMBRANE
Document Type and Number:
Japanese Patent JP2020138138
Kind Code:
A
Abstract:
To provide a composite semipermeable membrane that has water permeability and salt removability sufficient to withstand practical use and can still have salt removability even after contacting chlorine.SOLUTION: The composite semipermeable membrane according to the present invention has a microporous support layer and a separation functional layer provided on the microporous support layer, where the separation functional layer contains cross-linked aromatic polyamide and the polymide has a specific partial structure.SELECTED DRAWING: None
Inventors:
OGAWA KUMIKO
SHIMURA HARUKI
OGAWA TAKASHI
SHIMURA HARUKI
OGAWA TAKASHI
Application Number:
JP2019035477A
Publication Date:
September 03, 2020
Filing Date:
February 28, 2019
Export Citation:
Assignee:
TORAY INDUSTRIES
International Classes:
B01D71/56; B01D61/10; B01D61/12; B01D69/02